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Helmet
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Patent number 10,212,981
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Issue date Feb 26, 2019
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Charles Owen & Company (Bow) Limited
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Roy O. Burek
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A42 - HEADWEAR
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Helmet
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Patent number 8,561,216
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Issue date Oct 22, 2013
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Charles Owen & Co. (BOW) Limited
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Roy Burek
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A42 - HEADWEAR
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Helmet
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Patent number RE39964
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Issue date Jan 1, 2008
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Charles Owen & Co. (Bow) Limited
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Roy Burek
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002 - Apparel
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Helmet
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Patent number 6,735,786
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Issue date May 18, 2004
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Charles Owen & Co. (Bow) Limited
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Burek Roy
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC